Ronald Ossory Dunlop (1894-1973) was born in Dublin. He trained at the Manchester School of Art, the Wimbledon School of Art and later in Paris. He exhibited extensively throughout his career at the Royal Academy, The New English Art Club, the Royal Scottish Academy and elsewhere. In 1923 he founded the Emotionist Group of Writers and Artists. He wrote several books on art, including his autobiography, Struggling with Paint (1953).

He was a member of the R.A., the R.B.A, the N.E.A.C. and the London Group

His work can be found in numerous public and private collections including the Tate Gallery, the Glasgow Museums and the Walker Art Gallery.